/* ==========================================================================
   Unikka Pharma — Landing Pages
   Folha de estilo compartilhada. Tokens documentados em style-guide.md
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Fundos */
  --u-bg: #000000;           /* fundo base */
  --u-bg-alt: #08080a;       /* seção alternada */
  --u-surface: #0e0e11;      /* inputs, cards secundários */
  --u-surface-2: #131317;    /* formulário, cards principais */

  /* Bordas */
  --u-border: #19191b;       /* divisórias sutis */
  --u-border-2: #262629;     /* borda de card */
  --u-border-3: #3e3e40;     /* borda de input / hover */

  /* Texto */
  --u-text: #f4f5f7;         /* títulos, texto forte, botão primário */
  --u-text-2: #9a9ca6;       /* corpo, chapéus, labels, nav */
  --u-text-3: #80818a;       /* notas legais, placeholders */
  --u-on-light: #08080a;     /* texto sobre botão branco */

  /* Estados */
  --u-focus: rgba(244, 245, 247, .55);
  --u-error: #ff8a80;
  --u-success: #9be3b5;

  /* Tipografia */
  --u-font: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --u-fs-hero: clamp(2.25rem, 1.4rem + 3.2vw, 3.5rem);
  --u-fs-h2: clamp(1.5rem, 1.1rem + 2vw, 2.5rem);
  --u-fs-h3: 1.0625rem;
  --u-fs-lead: clamp(1rem, .95rem + .25vw, 1.125rem);
  --u-fs-body: .9375rem;
  --u-fs-small: .8125rem;
  --u-fs-legal: .6875rem;
  --u-fs-eyebrow: .6875rem;
  --u-ls-eyebrow: .28em;
  --u-ls-button: .14em;

  /* Espaço e forma */
  --u-container: 1240px;
  --u-gutter: clamp(16px, 4vw, 48px);
  --u-section-y: clamp(72px, 9vw, 128px);
  --u-radius-sm: 10px;
  --u-radius: 16px;
  --u-radius-pill: 999px;
  --u-shadow: 0 30px 80px -30px rgba(0, 0, 0, .9);
  --u-glow: radial-gradient(closest-side, rgba(255, 255, 255, .11), rgba(255, 255, 255, 0));

  --u-header-h: 76px;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--u-header-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--u-bg);
  color: var(--u-text-2);
  font-family: var(--u-font);
  font-size: var(--u-fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
strong, b { font-weight: 700; color: var(--u-text); }
:focus-visible { outline: 2px solid var(--u-focus); outline-offset: 3px; border-radius: 6px; }
.u-sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.u-skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--u-text); color: var(--u-on-light); padding: 10px 16px; border-radius: var(--u-radius-sm); font-weight: 600; }
.u-skip:focus { top: 12px; }

.u-container { width: 100%; max-width: calc(var(--u-container) + var(--u-gutter) * 2); margin: 0 auto; padding: 0 var(--u-gutter); }
.u-section { padding: var(--u-section-y) 0; position: relative; }
.u-section--alt { background: var(--u-bg-alt); }

/* ---------- 3. Tipografia ---------- */
.u-eyebrow {
  display: block;
  font-size: var(--u-fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--u-ls-eyebrow);
  text-transform: uppercase;
  color: var(--u-text-2);
  margin-bottom: 20px;
}
.u-hero-title {
  font-size: var(--u-fs-hero);
  font-weight: 200;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--u-text);
}
.u-hero-title strong { font-weight: 700; }
.u-h2 {
  font-size: var(--u-fs-h2);
  font-weight: 200;
  line-height: 1.15;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--u-text);
  max-width: 22ch;
  overflow-wrap: break-word;
  hyphens: manual;
}
.u-h2 strong { font-weight: 700; }
.u-h3 { font-size: var(--u-fs-h3); font-weight: 600; line-height: 1.35; color: var(--u-text); }
.u-lead { font-size: var(--u-fs-lead); font-weight: 400; line-height: 1.7; color: var(--u-text-2); max-width: 46ch; }
.u-text { max-width: 60ch; }
.u-section-head { margin-bottom: 48px; }
.u-section-head .u-text { margin-top: 20px; }
.u-closing { margin-top: 32px; font-size: var(--u-fs-small); color: var(--u-text-3); max-width: 70ch; }
.u-closing--strong { font-size: var(--u-fs-body); color: var(--u-text-2); border-left: 2px solid var(--u-border-3); padding-left: 18px; }

/* ---------- 4. Header ---------- */
.u-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--u-header-h);
  background: rgba(0, 0, 0, .82);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--u-border);
}
.u-header .u-container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.u-logo { font-size: 1.0625rem; font-weight: 600; color: var(--u-text); letter-spacing: .01em; white-space: nowrap; }
.u-nav { display: flex; gap: 36px; }
.u-nav a {
  font-size: var(--u-fs-eyebrow); font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
  color: var(--u-text-2); transition: color .2s;
}
.u-nav a:hover { color: var(--u-text); }

/* ---------- 5. Botões ---------- */
.u-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 28px; text-align: center;
  border-radius: var(--u-radius-pill);
  font: 600 var(--u-fs-eyebrow)/1.35 var(--u-font);
  letter-spacing: var(--u-ls-button); text-transform: uppercase;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s, background-color .2s, border-color .2s, color .2s, box-shadow .2s;
}
.u-btn--primary { background: var(--u-text); color: var(--u-on-light); }
.u-btn--primary:hover { background: #fff; box-shadow: 0 0 0 6px rgba(255, 255, 255, .08); }
.u-btn--primary:active { transform: translateY(1px); }
.u-btn--block { width: 100%; }
.u-btn[disabled] { opacity: .6; cursor: progress; }
/* Pill com contorno duplo do header */
.u-btn--ring {
  min-height: 0; padding: 4px; background: transparent;
  border-color: var(--u-border-3); color: var(--u-text);
}
.u-btn--ring span { display: block; padding: 10px 22px; border: 1px solid var(--u-border-3); border-radius: var(--u-radius-pill); white-space: nowrap; }
.u-btn--ring:hover span { border-color: var(--u-text-2); }

/* ---------- 6. Hero ---------- */
.u-hero { position: relative; padding: clamp(48px, 8vw, 120px) 0 clamp(64px, 8vw, 112px); overflow: hidden; }
.u-hero::before {
  content: ""; position: absolute; pointer-events: none;
  width: 900px; height: 900px; left: -160px; top: -340px;
  background: var(--u-glow);
}
.u-hero::after {
  content: ""; position: absolute; pointer-events: none;
  width: 700px; height: 360px; right: 0; bottom: -200px;
  background: var(--u-glow); opacity: .6;
}
.u-hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr minmax(0, 470px); gap: clamp(32px, 6vw, 96px); align-items: center; }
.u-hero__copy .u-lead { margin-top: 28px; }
.u-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; margin-bottom: 24px;
  border: 1px solid var(--u-border-3); border-radius: var(--u-radius-pill);
  font-size: var(--u-fs-small); color: var(--u-text); font-weight: 500;
}
.u-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--u-text); box-shadow: 0 0 0 4px rgba(255,255,255,.08); }

/* Lista com marcador circular */
.u-checks { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 16px; max-width: 48ch; }
.u-checks li { display: grid; grid-template-columns: 22px 1fr; gap: 14px; align-items: start; font-size: var(--u-fs-small); line-height: 1.6; color: var(--u-text-2); }
.u-checks li::before {
  content: ""; width: 22px; height: 22px; margin-top: -1px; border-radius: 50%;
  border: 1px solid var(--u-border-3);
  background: no-repeat center/11px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='%23f4f5f7' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.u-checks--solid li::before { background-color: var(--u-text); border-color: var(--u-text); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.3 2.3 4.7-5' fill='none' stroke='%2308080a' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.u-checks--muted li::before { background-image: none; }

/* ---------- 7. Formulário ---------- */
.u-form-card {
  background: var(--u-surface-2);
  border: 1px solid var(--u-border-2);
  border-radius: var(--u-radius);
  padding: clamp(24px, 3vw, 36px);
  box-shadow: var(--u-shadow);
}
.u-form-card__title { font-size: 1.1875rem; font-weight: 600; color: var(--u-text); line-height: 1.3; }
.u-form-card__lead { margin-top: 8px; font-size: var(--u-fs-small); line-height: 1.6; color: var(--u-text-2); }
.u-form { margin-top: 24px; display: grid; gap: 16px; }
.u-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.u-field { display: grid; gap: 8px; min-width: 0; }
.u-label { font-size: .625rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--u-text-2); }
.u-input, .u-select {
  width: 100%; height: 44px; padding: 0 14px;
  background: var(--u-surface); color: var(--u-text);
  border: 1px solid var(--u-border-3); border-radius: var(--u-radius-sm);
  font: 400 .875rem/1 var(--u-font);
  transition: border-color .2s, box-shadow .2s;
  -webkit-appearance: none; appearance: none;
}
.u-input::placeholder { color: var(--u-text-3); }
.u-select {
  padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' fill='none' stroke='%239a9ca6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 12px;
}
.u-select:invalid { color: var(--u-text-3); }
.u-select option { background: var(--u-surface-2); color: var(--u-text); }
.u-input:hover, .u-select:hover { border-color: #55555a; }
.u-input:focus, .u-select:focus { outline: none; border-color: var(--u-text-2); box-shadow: 0 0 0 3px rgba(244,245,247,.1); }
.u-field.is-invalid .u-input, .u-field.is-invalid .u-select, .u-field.is-invalid .u-segmented { border-color: var(--u-error); }
.u-field__error { display: none; font-size: .75rem; color: var(--u-error); }
.u-field.is-invalid .u-field__error { display: block; }

/* Segmented control (opções em pílula) */
.u-segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; border: 1px solid transparent; border-radius: var(--u-radius-sm); }
.u-segmented label { position: relative; }
.u-segmented label:last-child:nth-child(odd) { grid-column: 1 / -1; }
.u-segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.u-segmented span {
  display: flex; align-items: center; justify-content: center; text-align: center;
  min-height: 42px; padding: 6px 12px;
  border: 1px solid var(--u-border-3); border-radius: var(--u-radius-sm);
  font-size: .625rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--u-text-2);
  transition: all .2s; cursor: pointer;
}
.u-segmented input:hover + span { border-color: var(--u-text-2); }
.u-segmented input:checked + span { background: var(--u-text); border-color: var(--u-text); color: var(--u-on-light); }
.u-segmented input:focus-visible + span { outline: 2px solid var(--u-focus); outline-offset: 2px; }

.u-form__note { font-size: var(--u-fs-legal); line-height: 1.6; color: var(--u-text-3); text-align: center; margin-top: 4px; }
.u-form__status { display: none; padding: 14px 16px; border-radius: var(--u-radius-sm); font-size: var(--u-fs-small); line-height: 1.5; }
.u-form__status.is-visible { display: block; }
.u-form__status--ok { background: rgba(155,227,181,.08); border: 1px solid rgba(155,227,181,.3); color: var(--u-success); }
.u-form__status--err { background: rgba(255,138,128,.08); border: 1px solid rgba(255,138,128,.3); color: var(--u-error); }
.u-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- 8. Faixa rolante ---------- */
.u-marquee {
  background: var(--u-text); color: var(--u-on-light);
  overflow: hidden; border-block: 1px solid var(--u-border-3);
  --u-marquee-speed: 40s;
}
.u-marquee__track { display: flex; width: max-content; animation: u-marquee var(--u-marquee-speed) linear infinite; }
.u-marquee__list { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; }
.u-marquee__list li {
  display: flex; align-items: center; gap: 48px; padding: 16px 0 16px 48px;
  font-size: var(--u-fs-eyebrow); font-weight: 700; letter-spacing: .2em; text-transform: uppercase; white-space: nowrap;
}
.u-marquee__list li::after { content: "·"; font-weight: 400; color: #80818a; }
.u-marquee:hover .u-marquee__track { animation-play-state: paused; }
@keyframes u-marquee { to { transform: translateX(-50%); } }

/* ---------- 9. Cards ---------- */
.u-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.u-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.u-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.u-card {
  background: var(--u-surface-2);
  border: 1px solid var(--u-border-2);
  border-radius: var(--u-radius);
  padding: 28px 24px;
  transition: border-color .25s, transform .25s;
}
.u-card:hover { border-color: var(--u-border-3); }
.u-card__icon {
  width: 40px; height: 40px; margin-bottom: 24px;
  display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--u-border-3); background: var(--u-surface);
  color: var(--u-text);
}
.u-card__icon svg { width: 18px; height: 18px; }
.u-card p { margin-top: 10px; font-size: var(--u-fs-small); line-height: 1.6; color: var(--u-text-2); }
.u-card--title-only { display: flex; flex-direction: column; justify-content: space-between; min-height: 150px; }
.u-card--title-only .u-card__icon { margin-bottom: 32px; }

/* Comparativo */
.u-compare { padding: 36px 40px; border-radius: var(--u-radius); border: 1px solid var(--u-border-2); background: var(--u-bg-alt); }
.u-compare--highlight { background: var(--u-surface-2); border-color: var(--u-border-3); }
.u-compare .u-eyebrow { margin-bottom: 24px; }
.u-compare--highlight .u-eyebrow { color: var(--u-text); }
.u-compare .u-checks { margin-top: 0; }
.u-compare .u-checks li { font-size: var(--u-fs-body); }
.u-compare--highlight .u-checks li { color: #c9cbd2; }

/* Etapas */
.u-steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.u-step { position: relative; padding: 28px 24px 28px; background: var(--u-surface-2); border: 1px solid var(--u-border-2); border-radius: var(--u-radius); }
.u-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; margin-bottom: 40px;
  font-size: 2.25rem; font-weight: 200; line-height: 1; color: var(--u-text);
}
.u-step::after { content: ""; position: absolute; top: 46px; left: 88px; right: 24px; height: 1px; background: var(--u-border-3); }
.u-step p { font-size: var(--u-fs-small); line-height: 1.6; color: var(--u-text-2); }

/* Pessoa (responsável técnico) */
.u-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.u-person { display: flex; align-items: center; gap: 18px; padding: 24px; border-radius: var(--u-radius); border: 1px solid var(--u-border-3); background: var(--u-surface-2); }
.u-person__avatar { flex: 0 0 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--u-surface); border: 1px solid var(--u-border-3); font-weight: 600; font-size: .875rem; color: var(--u-text); letter-spacing: .04em; }
.u-person__name { font-weight: 600; color: var(--u-text); font-size: .9375rem; }
.u-person__role { font-size: .75rem; color: var(--u-text-2); margin-top: 2px; }

/* Bloco de declaração (seção só com texto) */
.u-statement { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: end; }
.u-statement .u-text { font-size: var(--u-fs-lead); line-height: 1.7; }

/* ---------- 10. CTA final ---------- */
.u-cta { position: relative; text-align: center; padding: clamp(88px, 11vw, 152px) 0; overflow: hidden; }
.u-cta::before { content: ""; position: absolute; left: 50%; top: 50%; width: 900px; height: 480px; transform: translate(-50%, -60%); background: var(--u-glow); pointer-events: none; }
.u-cta .u-container { position: relative; }
.u-cta .u-h2 { margin: 0 auto; max-width: 26ch; }
.u-cta .u-lead { margin: 24px auto 36px; max-width: 52ch; }

/* ---------- 11. Rodapé ---------- */
.u-footer { background: var(--u-bg-alt); border-top: 1px solid var(--u-border-2); padding: 56px 0 40px; font-size: .75rem; line-height: 1.65; }
.u-footer__top { display: grid; grid-template-columns: 1fr auto auto; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid var(--u-border-2); }
.u-footer__brand { font-size: .8125rem; font-weight: 600; letter-spacing: .24em; text-transform: uppercase; color: var(--u-text); }
.u-footer__col { max-width: 200px; }
.u-footer__col h4 { margin: 0 0 12px; font-size: .625rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--u-text); }
.u-footer__col p { color: var(--u-text-2); }
.u-footer__legal { margin-top: 28px; display: grid; gap: 14px; color: var(--u-text-3); font-size: var(--u-fs-legal); }

/* ---------- 12. Animação de entrada ---------- */
.u-reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.u-reveal.is-in { opacity: 1; transform: none; }

/* ---------- 13. Responsivo ---------- */
@media (max-width: 1080px) {
  .u-nav { gap: 24px; }
  .u-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  :root { --u-header-h: 64px; }
  .u-nav { display: none; }
  .u-hero__grid, .u-split, .u-statement { grid-template-columns: 1fr; }
  .u-hero__form { max-width: 560px; }
  .u-grid-3, .u-grid-2 { grid-template-columns: 1fr; }
  .u-footer__top { grid-template-columns: 1fr 1fr; }
  .u-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .u-btn--ring { flex-shrink: 1; min-width: 0; }
  .u-btn--ring span { padding: 8px 14px; font-size: .5625rem; letter-spacing: .1em; white-space: normal; text-align: center; line-height: 1.3; max-width: 170px; }
  .u-logo { font-size: .9375rem; }
  .u-grid-4 { grid-template-columns: 1fr; }
  .u-compare { padding: 28px 22px; }
  .u-form__row { grid-template-columns: 1fr 124px; }
  .u-footer__top { grid-template-columns: 1fr; gap: 28px; }
  .u-footer__col { max-width: none; }
  .u-h2 br { display: none; }
  .u-h2 { letter-spacing: .02em; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .u-marquee__track { animation: none; }
  .u-reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
}